Home / 59,486.06-82,105.14-40,397.70

Finding the Fourth Proportional to 59,486.06, 82,105.14 and 40,397.70

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Solution

The fourth proportional to 59,486.06, 82,105.14 and 40,397.70 is: 55,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,486.06 : 82,105.14 = 40,397.70 : x
  2. Step 2: Convert to fraction form
    59,486.06/82,105.14 = 40,397.70/x
  3. Step 3: Cross multiply
    59,486.06x = 82,105.14 × 40,397.70
  4. Step 4: Simplify right side
    59,486.06x = 3,316,858,814.18
  5. Step 5: Solve for x
    x = 3,316,858,814.18/59,486.06
  6. Step 6: Final answer
    x = 55,758.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.